20817 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 20817 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,707, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 10,892, 79.46%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 721, 5.26%, see rank | 21.19% | 5.82% |
| 2 Units | 52, 0.38%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 63, 0.46%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 92, 0.67%, see rank | 4.94% | 4.78% |
| 10 or More Units | 1,876, 13.69%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 11, 0.08%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 20817 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,744, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 10,935, 79.56%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 690, 5.02%, see rank | 21.10% | 5.79% |
| 2 Units | 33, 0.24%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 48, 0.35%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 81, 0.59%, see rank | 5.02% | 4.78% |
| 10 or More Units | 1,957, 14.24%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 0, 0.00%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 20817 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,530, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 11,236, 83.05%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 866, 6.40%, see rank | 21.04% | 5.56% |
| 2 Units | 44, 0.33%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 58, 0.43%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 81, 0.60%, see rank | 5.60% | 4.67% |
| 10 or More Units | 1,245, 9.20%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 0, 0.00%, see rank | 1.96% | 7.80% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
